Quick view VDO Kitas2+ Smart tachograph sensor - M18x1.5 - Element 19.8mm - Ring 2171-20002135-A3C0641620120 Tachograph: DTCO 1381 - MTCO 1324 (Modular Tachograph) and Application: See specifications Thread: M18x1.5 - Male Sensor (L) 19.8mm - Ring 1.2mm ISO15170 Plug: 4-pin natural